W140 S600 1995- Does anyone know what this electrical unit does?

Hey, When restoring my non runner S600 w140 I have discovered an electronic box in the boot thats been unplugged or left disconnected from factory? Does anyone know what this unit does? Thanks

Hey, When restoring my non runner S600 w140 I have discovered an electronic box in the boot thats been unplugged or left disconnected from factory? Does anyone know what this unit does?

Thanks

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